Received: 9 March 2020
Accepted: 30 July 2020
First Online: 5 August 2020
Ethics approval and consent to participate
: We performed a reanalysis of data from cross-sectional studies in Brazil. All studies were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All studies were approved by their respective IRBs. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.